Finding the Fourth Proportional to 416,364,843.92, 574,586,885.40 and 230,728,958.96
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Solution
The fourth proportional to 416,364,843.92, 574,586,885.40 and 230,728,958.96 is: 318,407,847.92
Step by Step Solution
- Step 1: Write the proportion equation
416,364,843.92 : 574,586,885.40 = 230,728,958.96 : x - Step 2: Convert to fraction form
416,364,843.92/574,586,885.40 = 230,728,958.96/x - Step 3: Cross multiply
416,364,843.92x = 574,586,885.40 × 230,728,958.96 - Step 4: Simplify right side
416,364,843.92x = 132,573,833,900,410,816 - Step 5: Solve for x
x = 132,573,833,900,410,816/416,364,843.92 - Step 6: Final answer
x = 318,407,847.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.